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Finding the Fourth Proportional to 73,699.56, 110,470.51 and 38,125.07

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Solution

The fourth proportional to 73,699.56, 110,470.51 and 38,125.07 is: 57,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.56 : 110,470.51 = 38,125.07 : x
  2. Step 2: Convert to fraction form
    73,699.56/110,470.51 = 38,125.07/x
  3. Step 3: Cross multiply
    73,699.56x = 110,470.51 × 38,125.07
  4. Step 4: Simplify right side
    73,699.56x = 4,211,695,926.69
  5. Step 5: Solve for x
    x = 4,211,695,926.69/73,699.56
  6. Step 6: Final answer
    x = 57,146.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.